BIBC Matrix Modification for Network Topology Changes: Reconfiguration Problem Implementation

The topology of a distribution network can be represented by a bus injection to branch current (BIBC) matrix. It has been introduced and used for load flow analysis of distribution networks. In this paper, a method for BIBC matrix modification is developed to use in applications which require a topo...

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Bibliographic Details
Published in:Energies (Basel) 2021-05, Vol.14 (10), p.2738
Main Authors: Şeker, Ayşe Aybike, Gözel, Tuba, Hocaoğlu, Mehmet Hakan
Format: Article
Language:English
Subjects:
BIBC modification
Configurations
distribution network reconfiguration
Electrical transmission
grid search
Heuristic
Load distribution
Methods
Network management systems
Network topologies
Optimization
Optimization algorithms
Power flow
Problem solving
Reconfiguration
Stress concentration
Substations
time varying loads
Topology
voltage dependent loads
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Summary:The topology of a distribution network can be represented by a bus injection to branch current (BIBC) matrix. It has been introduced and used for load flow analysis of distribution networks. In this paper, a method for BIBC matrix modification is developed to use in applications which require a topology change representation. Proposed method that reflects the changes in configuration in the system BIBC matrix is implemented in distribution network reconfiguration problem. With providing potential solutions for network operational and planning requirements such as necessitate changes in configurations to transfer the loads to a different substation, ease the loading of equipment, conduct planned maintenance and reduce network losses during the normal operation with renewables, storage and other uprising technologies, reconfiguration may also be useful for emergencies, accidents, attacks and weather-related disasters. The BIBC modification process provides the knowledge of possible switches to open and the direction of power flow without any need to further radiality or continuity check. The proposed method needs only initial network topology information that makes it suitable to apply on any distribution network and to use with any search method or heuristic/meta-heuristic optimization algorithm. Efficiency of the method is investigated on systems with voltage dependent and time varying loads.
ISSN:1996-1073
1996-1073
DOI:10.3390/en14102738